What does ARPA mean?
Definitions for ARPA
arpa
This dictionary definitions page includes all the possible meanings, example usage and translations of the word ARPA.
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Wikidata
arpa
The domain name arpa is a top-level domain in the Domain Name System of the Internet. It is used exclusively for technical infrastructure purposes. While the name originally was the acronym for the Advanced Research Projects Agency, the funding organization in the United States that developed one of the precursors of the Internet, it now stands for Address and Routing Parameter Area. arpa also contains the domains for reverse domain name resolution in-addr.arpa and ip6.arpa for IPv4 and IPv6, respectively.
Suggested Resources
ARPA
What does ARPA stand for? -- Explore the various meanings for the ARPA acronym on the Abbreviations.com website.
Surnames Frequency by Census Records
ARPA
According to the U.S. Census Bureau, Arpa is ranked #153769 in terms of the most common surnames in America.
The Arpa surname appeared 106 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 would have the surname Arpa.
59.4% or 63 total occurrences were White.
32% or 34 total occurrences were Asian.
6.6% or 7 total occurrences were of Hispanic origin.
Numerology
Chaldean Numerology
The numerical value of ARPA in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of ARPA in Pythagorean Numerology is: 9
Examples of ARPA in a Sentence
In the selections of Dr. Alondra Nelson and Dr. Francis Collins, President Biden has doubled down on science, the selections are responsive to the dual importance of a strong OSTP that can drive science and technology solutions to our greatest challenges -- and the very specific attention President Biden wants to give to the creation of a new ARPA-H research and discovery agency, the building of support for a Cancer Moonshot 2.0, the search for a new head of NIH, and the broad advisory work of PCAST.
Popularity rank by frequency of use
Translations for ARPA
From our Multilingual Translation Dictionary
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"ARPA." Definitions.net. STANDS4 LLC, 2025. Web. 20 Jan. 2025. <https://www.definitions.net/definition/ARPA>.
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